$30 Cheap Flights from Ontario (ONT) to Denver (DEN)

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Cheap Flights from Los Angeles - Ontario Intl. to Denver Intl.

Prices were available within the past 7 days and starts at $30 for one-way flights and $60 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flight from Ontario to Denver route information
Origin AirportLos Angeles - Ontario Intl.
Destination AirportDenver Intl.
Flight Price$60
Distance816 mi

Ontario to Denver Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Ontario to Denver offer the perfect respite. Not only does exploring Denver provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Ontario to Denver may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from ONT to DEN today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Denver are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Denver more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Denver is $30 now!

Frequently asked questions

How much is a flight from Ontario Airport to DIA airport?
Round-trip journeys from Ontario Airport to DIA airport start from $60. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Denver Intl. Airport (DEN)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Ontario Airport to Denver Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Los Angeles - Ontario Intl. Airport (ONT) to DIA airport flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Los Angeles - Ontario Intl. Airport (ONT) to DEN?
It only takes around 2 hours and 17 minutes to fly from Los Angeles - Ontario Intl. Airport (ONT) to DIA airport — perfect for a short snooze. You’ll be landing in Denver by the time you open your eyes.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to DEN?
That movie you’ve been desperate to see will just have to wait — the flight distance between Los Angeles - Ontario Intl. Airport (ONT) (ONT) and DIA airport (DEN) is only 808 mi. The captain will be asking you to buckle up for touchdown before you know it.
Which airlines fly direct from ONT to Denver Airport?
Many savvy travelers opt to fly with Southwest Airlines (WN) from ONT to Denver Airport. This leading airline offers 117 flights every month, so you can easily find a flight time that works for you. Another carrier servicing this route is Frontier Airlines (F9). You’ll have 60 flights every month to choose from.
Are ONT to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so there are no guarantees. While last-minute deals between Ontario Airport and Denver Intl. Airport (DEN) are possible, it’s also a good idea to keep track of prices well before you fly. In fact, some air carriers announce their prices up to a year ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so check back often and be ready to lock in your seat when prices drop.
Can I fly from Ontario Airport to DIA airport right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from Los Angeles - Ontario Intl. Airport (ONT) to Denver Intl. Airport (DEN) please visit our COVID 19 travel advisor portal link.
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